Flight OddsUA5904 TUS → ORD
United Airlines · Tucson, AZ to Chicago, IL · 52 flights observed, 2025-10-26 to 2025-12-17 · 1,437 mi
UA5904 covers more than one route in the data window — the stats below are for TUS → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+2 min
90th percentile
+67 min
Cancellation rate
2%
How often is UA5904 on time?
Across 52 flights on TUS → ORD from 2025-10-26 to 2025-12-17, UA5904 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +67 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 33 | 65% |
| 16-30 min | 5 | 10% |
| 31-60 min | 6 | 12% |
| 61-120 min | 6 | 12% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | +2 min |
| 2025-11 | 28 | 61% | +14 min |
| 2025-12 | 17 | 65% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 8 | 50% |
| Wed | 8 | 75% |
| Thu | 6 | 100% |
| Fri | 7 | 71% |
| Sat | 6 | 67% |
| Sun | 8 | 38% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…